Merge pull request #272864 from afh/graplang-init

{ lib

, stdenv

, fetchurl

, flex

, bison

}:

stdenv.mkDerivation (finalAttrs: {

  pname = "graplang";

  version = "1.46";

  outputs = [ "out" "man" ];

  src = fetchurl {

    url = "https://www.lunabase.org/~faber/Vault/software/grap/grap-${finalAttrs.version}.tar.gz";

    hash = "sha512-7n+jLANU/x+wGrpjwYAnf45fQ5M91SwraiCbvUKe6XhWtilhGoT2yTlLkPlTihETTkizLyssW5gj5gbwNHaooA==";

  };

  nativeBuildInputs = [ flex bison ];

  meta = with lib; {

    description = "Language for typesetting graphs";

    longDescription = ''

      Grap is an Expressive language for describing graphs and incorporating

      them in typeset documents.  It is implemented as a preprocessor to

      Kernigan's pic language for describing languages, so any system that can

      use pic can use grap. For sure, TeX and groff can use it.

    '';

    homepage = "https://www.lunabase.org/~faber/Vault/software/grap/";

    changelog = "https://github.com/snorerot13/grap/blob/master/CHANGES";

    license = licenses.bsd2;

    maintainers = with maintainers; [ afh ];

    mainProgram = "grap";

  };

})